US2484722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seat construction
Assignee: Tenneco Automotive Inc
•
Filing: 1944-12-11
•
Granted: 1949-10-11
•
Expires: 1964-12-11
Abstract
No abstract record available.
Inventors
- 👤 John M Nickelsen
- 👤 Charles E Read
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:08
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/509; B60N2/52; B60N2/522; B60N2/527; B60N2/54; B60N2/544
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1423904A
Cited
US1687527A
Cited
US1706585A
Cited
CH134530A
Cited
US1838802A
Cited
US2041154A
Cited
US1988342A
Cited
US2183129A
Cited
US2272344A
Cited
US2334922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |